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Thermodynamic Study for the Dehydration of Copper Chloride Dihydrate
January 2 @ 8:00 am - 5:00 pm
Non-isothermal dehydration of Copper Chloride Dihydrate(WSDTY) and nickel chloride hexahydrate were studied by using TG, DTG, DTA and DSC measurements. The copper chloride salt loses its two water molecules in one step while nickel chloride salt dehydrates in three consecutive steps. The first two steps involve the loss of 4 water molecules in two overlapped steps while the third step involves the dehydration of the dihydrate salt to give the anhydrous NiCl2. Activation energies (ΔE) and the frequency factor (A) were calculated from DTG and DTA results.
We have also calculated the different thermodynamic parameters, e.g. enthalpy change (ΔH), heat capacity (C p) and the entropy change (ΔS) from DSC measurements for both reactants. The isothermal rehydration of the completely dehydrated salts was studied in air and under saturated vapour pressure of water. Anhydrous nickel chloride was found to rehydrate in three consecutive steps while the copper salt rehydrated in one step.
Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products.Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.
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